Best Email Encryption Software with a Free Trial of 2025

Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.

PowerDMARC is a robust email security solution that safeguards your brand reputation and email communications from threats like spoofing, phishing, and ransomware. By leveraging advanced technologies such as DMARC, SPF, DKIM, BIMI, MTA-STS, and TLS-RPT, PowerDMARC empowers you to protect your email infrastructure. With a user-friendly platform, PowerDMARC simplifies complex configurations, enabling you to easily manage and monitor your email security posture. AI-powered threat intelligence provides valuable insights to proactively identify and mitigate emerging threats. Trusted by over 2000 organizations globally, including Fortune 100 companies and governments, PowerDMARC is your trusted partner in securing your email infrastructure.

NeoCertified secures sensitive information via our secure email app across our versatile Cloud-based platform. It works on any web browser through Microsoft Office 365/Outlook plug ins and Gmail integration. You can also download the iPhone + Android mobile apps directly to your mobile devices. Since 2002, we have been providing federally compliant, secure mail solutions. We have helped businesses send and get secure emails from any web browser or mobile device. NeoCertified works with all email providers, giving businesses the flexibility and guaranteed protection they need.

Healthcare's easy-to-use, scalable, and simple way to email secure, HIPAA-compliant patient information. Healthcare organizations must ensure that patient data is secure and compliant with HIPAA. This is especially true for email. Paubox Email Suite offers guaranteed encryption, so you can be sure your patient data will be protected. Our HIPAA-compliant email service eliminates the need for portals or passcodes. Instead, encrypted emails can be sent to your recipient and can be read in their inbox. Our patented tools make healthcare email encryption easy. They can be integrated into your existing email system without any training required for employees. Paubox HIPAA-compliant email service was designed to empower IT and make emailing PHI easy for end-users.

Mailfence is an encrypted email provider that uses OpenPGP-based encryption and digital signatures. Mailfence offers a variety of features that allow for collaboration without compromising security or convenience. Mailfence documents allows you to securely store and edit documents. You can also share documents with your team by pressing a button. Mailfence calendar will help you keep track of all your tasks, meetings, events, and other important information. Mailfence contacts will save your contacts and allow you to create mailing lists to maximize efficiency. Mailfence was designed to be fully interoperable. This means that you can sync Mailfence with any service. Mailfence offers fully customizable whitelabel versions for its Mailfence interface. Mailfence donates 15% from PRO subscriptions to IFF or EDRI to support the fight for Online privacy.

ChatOdyssey provides a range of tools focused on enhancing privacy and security online. With offerings like encrypted messaging, anonymous file transfers, email masking, and phone number relay, users can protect their personal information from data breaches, spam, and tracking. The platform ensures that your communications remain private while offering features like metadata cleaning and malware scanning for additional security. ChatOdyssey also allows users to encrypt text, create strong passwords, and check for data breaches to further enhance their digital safety. With its user-friendly design and strong commitment to privacy, ChatOdyssey is an ideal solution for individuals concerned about their online security and anonymity. Whether for personal use or to protect sensitive information, this platform offers robust tools to keep your digital life secure.

StartMail offers secure and private email services that prioritize your privacy. You can generate disposable email addresses whenever you need to protect your personal inbox from unwanted spam. We believe in privacy as a basic human right, and StartMail makes it easy to safeguard yours. With just one click, you can send password-encrypted messages, even to recipients who don’t use encryption. . Our service follows strict Dutch privacy regulations, which are among the most robust globally, and aligns with European privacy standards. For businesses, we offer custom email addresses for your own domains. Best of all, there’s no software to install—setup is simple and takes just minutes.

Security Gateway's email threat detection technology was developed by MDaemon Technologies. This email industry pioneer has been protecting email servers against viruses, spam, phishing and other threats for more than 20 years. Our expertise is trusted by companies to keep their email communications safe. We protect all email platforms, including Microsoft Exchange, Office 365, and other. Our team of email security specialists will take the hassle out of managing your company’s email security. Security Gateway employs the most up-to-date email threat detection technology and policy enforcement tools in order to ensure good emails flow to and from your users. Security Gateway cloud service is easy to deploy, so you can focus on other important tasks. Check out this video to see some of the Security Gateway features.

Email, meet AI. Canary can send your emails, prioritize what is important, silence spam, and much more. Say hello to your Inbox Copilot!

Dynamically classify fake email. Preventively identify suspicious URLs and sandbox them. Big-data analysis can be used to accurately classify bulk mail. All this in one service that connects to Google Workspace and Microsoft 365. Spambrella's Email Security & User Awareness Training technology is used in many of the world's most successful security-conscious businesses across many continents and environments. Spambrella can help you unify your email security requirements and user awareness training needs on a global level. Spambrella is your outsourced email security team. We are able to migrate you seamlessly and have the technical expertise of all other service providers, such as Symantec.cloud, Mimecast, MxLogic. To uncover email threats to your email users, schedule a demo with our cybersecurity experts today.

Send and receive encrypted emails that comply with HIPAA and GLBA requirements. Protected Trust Email Encryption has been rebranded as Send It Secure by Protected Trust. You might remember us as either Protected Trust Email Encryption or simply Protected Trust. With the expansion of our email encryption capabilities and an increase in our service offerings, we felt it was the perfect moment to introduce a new identity for our email encryption product. This rebranding aligns with our commitment to providing a trusted product in the market, and we are thrilled to enhance your experience with improvements tailored to your needs. Acknowledged as a leading solution for the secure transfer of sensitive information, we prioritize your trust and the safeguarding of your data. We're eager to share our refreshed email encryption solution, Send It Secure by Protected Trust, and look forward to supporting your secure communication needs more effectively than ever before.

Encyro offers secure file storage, encrypted email and electronic signatures. Encyro's award-winning design makes it easy for you and your clients. Clients don't have to sign up for portal accounts. File sharing and encrypted messaging Encyro allows you to send directly to any email address. Encyro protects your data both during transmission as well as storage to ensure that you are in compliance with HIPAA and other compliance standards such as the GDPR, FINRA and SOX. Securely receive via your custom-branded upload page. Clients do not need to log in or go through additional steps. Electronic Signatures Encyro esignatures are designed for remote signing to protect your transaction. You can control the login options as well as the type of signature to ensure that only the right person is signing. Encyro offers custom branding, automated reminders, re-usable templates for e-sign, and re-usable Encyro e-sign templates. Access codes that comply with NIST-8006363 can be sent by SMS or text for additional security.

Sending and receiving HIPAA-compliant emails has never been so simple and cost-effective. With MailHippo, you can securely transmit sensitive information and attachments without any complicated setup or configurations; just register and start using it immediately. The platform employs end-to-end encryption to ensure that your emails and attachments remain protected, both while being sent and stored. Additionally, MailHippo seamlessly integrates with your existing email address and works with any email service provider. It is optimized for use on smartphones and tablets, making it highly convenient. You also receive a special link that allows you to collect secure emails from anyone easily. Take advantage of our limited-time Beta program to access our secure encrypted email messaging service for FREE and experience the peace of mind that comes with HIPAA compliance!

-- The email engine you can build on -- We're everything that happens under the hood of your email communications. Reliable Email API with endless capabilities & features ready for integration. Flowmailer's Email Engine provides all the tools you need to build a professional email strategy. From marketing to customer support, from account management to warehousing, every email sent is valuable. Flowmailer is built for continuous high-performance, no matter the emails you're sending. Take away the difficulties of email delivery and focus on creating meaningful email communications with your customers. Email Delivery | SMTP & API | Infrastructure | Transactional Email

Introducing a unique solution for tokenizing your digital files directly from your email, providing a seamless way to safeguard documents, videos, audio files, and more with just one click. Enjoy simplified ownership and control over your digital content like never before, all while maintaining your existing email attachment workflow with end-to-end encryption. With the ability to manage who can download, share, and view your attachments, you can ensure that your files remain secure. Real-time tracking allows you to see who has accessed your files, whether they downloaded, shared, or viewed them. This innovative platform streamlines the management and oversight of your email attachments in a single library, making it easier than ever to keep track of important documents. Clients can receive a secure link for safe file exchanges, enhancing the security of your communications. Additionally, you can block your device screen to guard against unauthorized screenshots and copying of sensitive information. Experience unlimited electronic signatures directly within your email, delivering unmatched convenience and protection. This robust system effectively mitigates risks associated with data breaches, ransomware, and wire fraud, ensuring comprehensive security from desktop to mobile and beyond. Always retain control over your files, knowing who originated them and their intellectual property rights, while enjoying peace of mind in your digital transactions.

Mailock secure email provides businesses with the ability to share sensitive information with clients while safeguarding their data against potential breaches. By integrating industry-leading encryption technology and multi-factor identity verification, it ensures that confidential emails are shielded from cyber threats and that customer data remains secure. Users can easily craft a secure email from their desktop or browser, employing specific rules and keywords to trigger encryption. Additionally, they can establish authentication hurdles to confirm the identities of their recipients, ensuring that only authorized individuals can access the information. Comprehensive audit trails are maintained for each message, allowing users to monitor recipient engagement through instant read receipts. Recipients also have the option to encrypt their responses at no cost. This service not only facilitates secure communication but also empowers clients to interact safely with your business. Furthermore, it enables the efficient delivery of confidential documents to customers in large quantities through automated secure email processes. Ultimately, Mailock enhances the integrity and confidentiality of business communications, fostering trust and security in client interactions.

RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.

When you need to swiftly share a confidential file or email with a customer, partner, or employee outside your organization and beyond the secure network, it is crucial to follow best practices. The CNIL strongly recommends that businesses and organizations implement data encryption during transfers and ensure personnel are educated about potential risks. Data encryption plays a vital role in contemporary data protection strategies. By utilizing specialized encryption solutions such as BlueFiles, companies can transform their data into a format that is unreadable to anyone except the intended recipient. BlueFiles offers a solid guarantee for all your digital data transfers, ensuring file integrity, complete confidentiality, remote file control, and tracking capabilities. This method not only saves time and enhances user experience but also reduces costs, allowing for secure communication over the Internet without the threat of sensitive data exposure. Additionally, under GDPR regulations, organizations must take proactive measures to encrypt personal data transfers to avoid severe penalties, emphasizing the importance of compliance in today’s digital landscape. By adopting these practices, businesses can foster trust and security in their communications.

Security experts have created a one-stop E2E encrypted platform. Crypto Suite™, is the only crypto app you need. This app is the most secure for all your crypto needs. All your private and valuable stuff in one place. Communications, cryptocurrencies, and private files. Blockchain integration and end-to-end encryption ensure that you are in complete control. It's easy to manage your crypto. FortKnoxster is your one-stop secure platform. It is easy to share crypto and to invite your friends. FortKnoxster's wallet is completely non-custodial. Only you have access to your funds. We do not have access to your funds, nor does anyone else. Only you have the private encryption keys to your money. All your tokens and coins can be stored in one secure mobile wallet. We support multiple blockchains, and thousands of assets. BTC, ETH and FKX, ERC20 or BEP20, NFT collectibles, and other assets can be purchased at your own terms.

Safeguard the confidentiality of your electronic communications by utilizing gpg4o®, an innovative solution crafted by Giegerich & Partner, which leverages OpenPGP—one of the most trusted and widely adopted encryption methods globally. Designed for both individual and corporate users, gpg4o® ensures that your emails remain private through robust encryption capabilities. This seamless integration with Microsoft® Outlook® 2010, 2013, 2016, and 2019 allows you to enhance your email security effortlessly. The installation process is straightforward, and the user-friendly interface makes it easy to maintain email privacy. Additionally, with ongoing product updates, gpg4o® continuously provides the latest features to bolster security and improve overall user experience, ensuring that your sensitive information is always protected. In a world where email breaches are common, taking proactive measures to secure your correspondence is more important than ever.

As a cloud-based, full-managed SaaS email encryption provider, Echoworx alone offers 8 ways to send protected mail, with support for 9 authentication options and up-to 28 languages – ensuring secure communication anywhere, on any device. Key features: • Multiple ways to send secure mail ( Web Portal, S/MIME, PGP, Secure PDF, Certificate Encryption, Secure Attachment (PDF, Office, ZIP), TLS with fallback) • More authentication options (Full OAuth Access, Self-Registration, SMS, Shared Secret Passphrase, SSO, System-Generated Verification Codes, Passwordless, and Multi-Factor Authentication (MFA) • Free full proof of concept trial (POC) • 24/7 expert support • End-to-end deployment • Recall and tracking options for secure mail • Extensive branding • Self Service Account Management

Cryptshare is an innovation that protects your information when it is most at risk. Everybody needs to communicate data and messages in their daily work. We face many limitations once data is in transit. 1. Data protection 2. Limitations on file size These problems can be solved with our solution in an efficient and user-friendly manner. It also offers many other benefits, including: *Detailed audit trail *Compliance to central data protection regulations *Excellent potential to automate business communication It is also affordable, simple to implement, and accessible from any device with a web browser. Cryptshare is compliant with ISO 27001, GDPR. Cryptshare protects your information throughout the process.

Even if you avoid sending sensitive emails, doesn't it concern you that your email provider has access to your messages through a backdoor? They can grant access to third parties at any moment, as they are the ones who set the rules and exploit the loopholes. Have you ever considered what a single online purchase receipt can disclose about you? It can reveal your fashion preferences, your financial situation, your payment choices, your address, the type of device you use, and much more. This is quite unsettling, isn't it? Unfortunately, numerous companies and fraudsters are already exploiting this information. Every small piece of information about you is like gold to third parties, who will utilize it to better understand you, influence your purchasing decisions, and, in some cases, even impersonate you on the internet. If you believe your email service is completely secure, it might be wise to conduct a simple search; you'll find that major email providers have faced breaches. Do you still feel reassured? A straightforward, unobtrusive privacy solution exists that can safeguard your emails no matter where they are sent or received, ensuring your peace of mind.

iionLife, developed by iionHealth, serves as a complimentary patient portal tailored for professionals in behavioral health. This effective, fully HIPAA-compliant platform allows practitioners to enhance the care they provide beyond traditional office settings. With features like standardized assessment instruments such as the PHQ-9, it supports comprehensive tracking of patient outcomes, journaling, monitoring of activities, and secure messaging capabilities. Additionally, it encompasses valuable tools such as Community of Care, Care Plan, Reference Library, and Accounting, making it a versatile resource for both providers and patients. The platform not only streamlines communication but also fosters a more engaged patient experience.

Intelligent Email Security. Our human layer security platform uses powerful encryption and analytics technologies, contextual machine learning, and powerful encryption to prevent human-activated data breach, protect sensitive data (Egress Guard), and allow you to identify areas at risk in your email network. To help employees make smart security decisions, we use advanced DLP technology and contextual machine learning. This includes detecting and stopping accidental and intentional data leaks and ensuring that sensitive data is protected when it's shared with the right recipients. Our plug-in makes email encryption simple. We also automate protection based upon your security policies. Our intelligent technology can determine the actual threat of a breach by sharing data to ensure that the right security and control are always in place. Our eDiscovery software provides time-saving analytics and reporting across your email network.